*{
	margin: 0;
	padding: 0;
}

.wrapper{
	width: 100%;
	height: 1000px;
	position: fixed;
	top: 0;
	left: 0;
	background-image: url('../img/bg.jpg');
	background-size: 100% 100%;
}

.btn{
	height: 140px;
	width: 170px;
	position: absolute;
	left: 50px;
	background-image: url('../img/startGame.png');
	background-size: 100% 100%;
	cursor: pointer;
}

.box{
	width: 500px;
	height: 500px;
	transform: perspective(800px) rotateX(45deg);
	margin: 20px auto;
	border-top: 1px solid #B25F27;
	border-left: 1px solid #B25F27;
	box-shadow: 5px 5px 5px rgba(0,0,0,0.3);
	/*display: none;*/
}

.flagBox{
	position: absolute;
	top: 50px;
	left: 50%;
	width: 200px;
	height: 50px;
	margin-left: -100px;
	color: #333;
	font-size: 20px;
	font-weight: bolder;
	display: none;
}
.alertBox{
	display: none;
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
	background-color: rgba(0,0,0,0.2);
}
.alertImg{
	width: 600px;
	height: 400px;
	background-image: url('../img/success.png');
	background-size: 100% 100%;
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	border-radius: 20px;
}
.close{
	position: absolute;
	right: 0;
	top: 0;
	height: 40px;
	width: 40px;
	background-image: url('../img/closeBtn.png');
	background-size: 100% 100%;
	cursor: pointer;
}

.block{
	width: 49px;
	height: 49px;
	border-right: 1px solid #B25F27;
	border-bottom: 1px solid #B25F27;
	box-shadow: 0 0 4px #333 inset;
	background-image: url('../img/cao.jpg');
	float: left;
}

.show{
	background-image: url('../img/dilei.jpg');
	background-color: 100% 100%;
}

.num{
	background: #ECD0A1;
	font-size: 18px;
	font-weight: bold;
	line-height: 49px;
	text-align: center;
}
.flag{
	background-image: url('../img/hongqi.jpg');
	background-size: 100% 100%;
}
